... bottle U Can 1)10ml e liquid capacity 2)More Convenient 3)looks shiny and sleek 4)state of the art ... with a new philosophy of “state-of-the-art, more convenient, more fun”Original TasteTraditional e liquid bottles are made of ... play it with hands. Ucan is easy to use, very convenient to put e liquid inside or inject e liquid to ... be dull. 2012 new design, Stainless steel bottle, INNOKIN Ucan, convenient